To display shortcut menus in QuickBooks 2019, right-click. In a register, select and right-click a specific transaction; in a list, right-click an item; in a form, display a transaction and right-click a blank area of the form.
QuickBooks displays a shortcut menu of common commands for each particular transaction, item, or window. It often displays commands for memorizing or voiding a transaction, for example, or for creating a QuickReport on a transaction. The commands differ based on the type of transaction you select.